21000966453

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{109}}^1\times {\mathrm{738197}}^1$

素因数の和:738341

約数の個数: 24

約数和(自身を含む): 31668694200

約数和(自身を除く): 10667727747

約数列:

[1, 3, 9, 29, 87, 109, 261, 327, 981, 3161, 9483, 28449, 738197, 2214591, 6643773, 21407713, 64223139, 80463473, 192669417, 241390419, 724171257, 2333440717, 7000322151, 21000966453]

約数ペア:

[(1, 21000966453), (3, 7000322151), (9, 2333440717), (29, 724171257), (87, 241390419), (109, 192669417), (261, 80463473), (327, 64223139), (981, 21407713), (3161, 6643773), (9483, 2214591), (28449, 738197)]